Pond post horn snail - Planorbarius corneus
Pond post horn snail - Planorbarius corneus
Pond post horn snail - Planorbarius corneus
     
  • Cleanup and cleaning crew
  • European style
  • grows impressively large
  • very useful

Pond post horn snail - Planorbarius corneus

| 12 answered questions
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Pond post horn snail - Planorbarius corneus
The European ramshorn snail is considered an endangered species in the wild, so it should never be collected just anywhere. In the pond it not only does a good job of taking care of dead plant tissue and algae, but with its 4 cm shell diameter it is also extremely impressive and pretty to watch. The post horn snail usually has a very dark body, but orange colored animals are also known - a nice contrast to the dark shell. - Garnelio
Description

The European ramshorn snail(Planorbarius corneus) grows significantly larger than the common small ramshorn snail Planorbella duryi. Their shell has a distinct structure and is solid brown to dark brown. European post horn snails grow up to 4 cm in size, making them much more impressive than their small aquarium cousins. Besides the completely dark form, there is also a form with an orange body and likewise dark house.

The lung sn ail Planorbarius corneus is adapted to oxygen-poor water - not only can it breathe atmospheric oxygen with its lung bladder, it is also one of the very few aquatic snail species to have red blood with the blood pigment hemoglobin, which serves well for the snail's oxygen supply.

The European posthorn snail is separately sexual, but can presumably self-fertilize. However, it always prefers sexual reproduction. Even in the pond, the European posthorn snail attaches its primordial glass-shaped clutch to hard substrates. The eggs in the clutch are always arranged on a plane, and the spawn ball is surrounded by a hard shell that protects it. In the pond, the posthorn snail reproduces during the warm season, and in winter it hibernates at the bottom of the pond. It can overwinter in the open if the pond does not freeze completely.

It does not need to be fed in the open, it feeds on algae and dead plant remains as well as leaves that fall into the pond.

Of course, you can also keep the European post horn snail in the aquarium. There it is not quite as robust as Planorbella duryi, but it also gets used to the conditions in the house. A lowering of temperature in winter suits their nature very well. In the aquarium it also likes to eat algae and plant remains, but also likes fish food remains, shrimp food and special snail food. If fed sparingly, there is no need to fear too high a reproduction rate.

The European posthorn snail can bekept in the aquarium very well together with dwarf and fan shrimps, with peaceful fish, non-predatory snails and also with mussels . Also in the pond it lives very well together with mussels and also with fish.

The European posthorn snail is quite adaptable when it comes to water values, but it does not like too high temperatures. Medium to hard water is preferred.

Our food recommendation: With the Natureholic Snail Feed Power Paste you create a feeding lawn that is very well accepted by all aufwuchs feeding snails. Also delicate wild-caught snails such as racing snails or staghorn snails, which are stressed after transport and do not go to conventional food, can be fed up well with it.

Our plant recommendation: Use for the planting NatureHolic InVitros. These are free of snails, planarians and other unwanted co-inhabitants. Also free of algae spores, bacteria and fungi.

Expert Tip: We recommend for fish keeping the NatureHolic 3 Phase Liquid. The care set offers the best all-round protection for your animals. It ensures optimal conditions for successful breeding and keeping.

Actively prevent outbreaks: With the invisible Natureholic Snail Barrier you prevent the escape and loss of your snails from the aquarium.

Profile
Scientific name: Planorbarius corneus Linnaeus, 1758
German name: brown ramshorn snail, brown PHS, European ramshorn snail
Difficulty level: suitable for beginners
Origin/Distribution: Europe
Coloration: Shell and body brown, sometimes body orange
Age expectancy: up to 2 years
Water parameters: pH above 6.5, KH above 3, temperature 4 to 30 °C
Tank size: from 20 l, also for pond (at least 80 cm deep)
Food: Snail feed, food remains, algae cover and growth, algae plates, brown autumn leaves, vegetable chips
Reproduction: possible in freshwater
Behavior: very peaceful
Socialization: with shrimps, other peaceful snails, mussels, with peaceful fish, possibly with dwarf crabs
Further information Remove racing snail eggs in the aquarium, NatureHolic Booster - liquid food for shrimps, snails and mussels, Autumn leaves in the aquarium - treats for shrimps & co
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Customer reviews (61)
4.9 von 5
Durchschnittliche Bewertung
3 Oct 2026

Es kamen alle lebend an und fühlen

Es kamen alle lebend an und fühlen sich wohl in meinem Teich ?

18 Aug 2026

Gut verpackt und trotz der verspäteter Lieferung

Gut verpackt und trotz der verspäteter Lieferung waren sie direkt putzmunter.

17 Aug 2026

Alles prima,vielen Dank.

Alles prima,vielen Dank.

Alle 61 Bewertungen
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12  beantwortete Fragen

Pond post horn snail - Planorbarius corneus

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Pond post horn snail - Planorbarius corneus

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Question: "Sind die großen Schnecken für ein Axolotl Becken geeignet? Die kleinen werden immer gleich gefressen. Sind sie BD frei?"

from Kevin (Garnelio)
Reply
from Kevin (Garnelio)

Hallo,

Grundsätzlich kann niemand BD freie Schnecken bestätigen da es zum einen nicht getestet wird und zum anderen die meisten Schnecken eine Behandlung ohnehin nicht überstehen würden. 

Daher würde ich davon abraten Schnecken zu den Axolotl zu setzen.

Question: "Ich möchte in meinen „Gartenteich „ , es handelt sich um ein altes Weinfass von ca. 1 qm Fläche Posthornschnecken gegen die Algen einsetzen. Wieviele Schnecken müsste ich einsetzen."

from Kevin (Garnelio)
Reply
from Kevin (Garnelio)

Hallo Reiner, vielen Dank fuer deine Frage! 25 Stueck sind ein guter Anfang, gerne aber auch bis zu 50. 

Question: "Hallo, habe gerade einen koiteich (GFK mit bodenablauf und skimmer) aufgelöst und nun viele Algen. Wie groß sind die Schnecken und wieviele bräuchte ich für 13m3? Danke für die Antwort"

from Kevin (Garnelio)
Reply
from Kevin (Garnelio)

Hallo Ulrike, vielen Dank fuer deine Frage! Die Tiere sind bei Verkauf gut 2 cm gross und wir empfehlen dir hier mit 100 Tieren anzufangen, sonst wird es sehr lange dauern bis du Ergebnisse siehst. 

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Reviews 61
4.9 / 5
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3 Oct 2026

Es kamen alle lebend an und fühlen

Es kamen alle lebend an und fühlen sich wohl in meinem Teich ?

18 Aug 2026

Gut verpackt und trotz der verspäteter Lieferung

Gut verpackt und trotz der verspäteter Lieferung waren sie direkt putzmunter.

17 Aug 2026

Alles prima,vielen Dank.

Alles prima,vielen Dank.

9 Aug 2026

Verpackung war perfekt. Alle 20 Krieger waren

Verpackung war perfekt. Alle 20 Krieger waren putzmunter.

3 Aug 2026

Superschneller Versand! Den Schnecken geht's bestens!

Superschneller Versand!
Den Schnecken geht's bestens!

18 Jul 2026

Schöne Posthörnchen; eins war leider verstorben

Schöne Posthörnchen; eins war leider verstorben

18 Jul 2026

Sehr schöne Schnecken. Schnelle Lieferung in gekühlter Verpackung.

Sehr schöne Schnecken.
Schnelle Lieferung in gekühlter Verpackung.

2 Jul 2026

Hallo. Die Schnecken kamen gut verpackt an.

Hallo.
Die Schnecken kamen gut verpackt an.
Habe aber noch nie lebende Tiere bestellt, somit kann ich es nicht wirklich beurteilen.
Leider war eine Posthornschnecke sowieso 2 Sumpfdeckelschnecken nicht mehr am Leben.
Habe alle Schnecken und die Muschel vorsichtig an den Rand des Teiches gesetzt. 2 Schnecken haben sich sofort angesaugt.
Habe sie bis jetzt noch nicht wieder gesehen.
Bin ein wenig traurig und werde wohl keine lebenden Tiere mehr online kaufen.
Gruß Gundi

2 Jul 2026

Schnecken sind gut verpackt und lebend angekommen.

Schnecken sind gut verpackt und lebend angekommen. Gelegentlich sehe ich sie auch noch im Teich und hoffe, dass sie sich wohl fühlen und ansonsten ihren Job machen ;-)

2 Jul 2026

Sind lebendig und wohlauf angekommen. Es

Sind lebendig und wohlauf angekommen. Es geht ihnen auch nach einer Woche noch gut.

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